/Engine/Plugins/Runtime/MassGameplay/Source/MassSignals/Public/MassSignalTypes.h
MassSignalNameLookup stores list of Signal names for each entity. The names are stored per entity as a bitmask, you can allocate new name usingGetOrAddSignalName(). This limits the names to 64.
struct FMassSignalNameLookup
TMap<FMassEnti...
EntitySignals
Map from entity id to name bitmask
TArray<FName>
SignalNames
Array of Signal names